@inproceedings{xiangrong2012classification,
title={Classification of General n-Qubit States under Stochastic Local Operations and Classical Communication in Terms of the Rank of Coefficient Matrix},
author={Xiangrong Li, and Dafa Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170217233605668104466},
booktitle={PHYSICAL REVIEW LETTERS},
volume={108},
pages={180502},
year={2012},
}

Xiangrong Li, and Dafa Li. Classification of General n-Qubit States under Stochastic Local Operations and Classical Communication in Terms of the Rank of Coefficient Matrix. 2012. Vol. 108. In PHYSICAL REVIEW LETTERS. pp.180502. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170217233605668104466.